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JohnBurton
n00b
Joined: 02 Sep 2002
Posts: 20
Location: UK
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 Posted: Tue Jun 03, 2003 9:31 am Post subject: Kernel for EPIA-M 10000? |
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I've got a EPIA-M 10000 which I want to install gentoo on.
I've read that kernels >= 2.4.21 have specific support for the C3-2 CPU used on this board which I'd obviously like to use if possible.
But the latest gentoo-sources kernel is 2.4.20.
So presumably I'll have to grab the kernel from kernel.org instead of using emerge to install it - but I'll lose the patches that gentoo apply.
So my questions are :-
1 - Do I lose anything essential by not having the patches.
2 - Is there another kernel ebuild I can use (I see ac-sources is 2.4.21 but I'm not sure how stable this is)
3 - Anyone got any advice on configuring my system for this cpu/board. |
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dberkholz
Retired Dev
Joined: 18 Mar 2003
Posts: 1008
Location: Minneapolis, MN, USA
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| Posted: Tue Jun 03, 2003 3:53 pm Post subject: |
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There's no requirement to use gentoo-sources. aa-sources, ac-sources, gs-sources, and of course development-sources and mm-sources (as 2.5 kernels) are 2.4.21 or higher right now. Many people are happily using other -sources and having a great time.
I highly recommend gs-sources. |
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JohnBurton
n00b
Joined: 02 Sep 2002
Posts: 20
Location: UK
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| Posted: Wed Jun 04, 2003 11:04 am Post subject: |
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Great.
Is there a statement anywhere of what the patches in gentoo-sources are for? Or do I just have to look at each one? |
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dberkholz
Retired Dev
Joined: 18 Mar 2003
Posts: 1008
Location: Minneapolis, MN, USA
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| Posted: Wed Jun 04, 2003 2:57 pm Post subject: |
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The ChangeLog is often the primary source of information for things like this.
| gentoo-sources-2.4.20-r5 ChangeLog wrote: |
*gentoo-sources-2.4.20-r5 (10 May 2003)
10 May 2003; Jay Pfeifer <pfeifer@gentoo.org> gentoo-sources-2.4.20-r5.ebuild:
Package is currently marked stable (x86).
Changes:
* Added Barton SSE suport
* Minor documentation fixes
* Fixed USAGI issue
* Other things I am forgetting to mention 
*gentoo-sources-2.4.20-r4 (08 May 2003)
08 May 2003; Jay Pfeifer <pfeifer@gentoo.org> gentoo-sources-2.4.20-r4.ebuild:
Package is currently marked stable (x86).
Changes:
* Added a few updates for ck6
* Updated SuperFreeS/WAN to 1,99,7rc2
* Updated to patch-o-matic from 01May2003 lotsa new goodies
* Updated USAGI to 28Apr2003 snapshot
* Made USAGI installable by a USE flag 'USAGI'
- if you use USAGI, you *cannot* use {freeswan/patch-int/loop-jari}
- the ebuild will drop either/or depending on your use flags
* Updated adaptec 79xxx to 01May2003
* Updated ntfs to 2.1.4a
* Updated grsecurity to 1.99g
* Added initial support for systrace v1.2
* Updated bluetooth support fro MH to 2.4.20-MH7
* Added kraxel patch which is v4l2 & other updates - see the docs
* Fixed broken gcc optimizations... the overoptimization was breaking things
* Added support for ipvs
* Added support for usbvision
* Added vesafb fix
* Added imq support & the ipv4 & ipv6 imq ipt patches
* Updated Wireless Extensions to WE-15
* Updated evms2 stuff to version 2.0.1
* Fixed another small grsec/rmap issue + added a grsec hardlink fix
* Added some jfs 1.1.2 fixes
* Added usb scanners update from 16Apr2003
* Added some minor grsecurity fixes
* Other things I am forgetting to mention |
If you read the ebuilds, they can be fairly informative. This is taken from the gentoo-sources-2.4.20-r5 ebuild:
| Quote: | # This is the *ratified* aavm USE flag, enables aavm support in this kernel
# If the compiler isn't gcc>3.1 drop the gcc>3.1 patches
# This is the *ratified* evms2 USE flag, enables evms2 support
# This is the crypt USE flag, keeps {USAGI/superfreeswan/patch-int/loop-jari}
# This is the usagi USE flag, keeps USAGI, drops {superfreeswan/patch-int/loop-jari}
# Using USAGI will also cause you to drop all iptables ipv6 patches |
Also 'ebuild /path/to/ebuild postinst' often prints post-installation messages, among other things.
| ebuild /usr/portage/sys-kernel/gentoo-sources/gentoo-sources-2.4.20-r5 wrote: |
* There is no xfs support in this kernel.
* If you need xfs support, emerge xfs-sources.
* If iptables/netfilter behaves abnormally, such as 'Invalid Argument',
* you will need to re-emerge iptables to restore proper functionality.
* This set contains the ptrace patch as part of grsecurity.
* If there are issues with it, read the docs and associated help provided.
* Next you should check https://forums.gentoo.org/ for assistance.
* Otherwise check https://bugs.gentoo.org/ for an existing bug.
* Only create a new bug if you have not found one that matches your issue.
* It is best to do an advanced search as the initial search has a very low yield.
* Assign bugs to x86-kernel@gentoo.org
* Please read the changelog and associated docs for more information. |
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JohnBurton
n00b
Joined: 02 Sep 2002
Posts: 20
Location: UK
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| Posted: Sat Jun 07, 2003 9:18 am Post subject: |
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Thanks for that information.
I'm installing now - I decided to first install the standard gentoo kernel and then once it is all working and installed to upgrade to a different one just so make sure that if something breaks I've got a good chance to know what it was., |
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IamtheOne
Apprentice
Joined: 27 Sep 2002
Posts: 158
Location: Iowa
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| Posted: Sat Jul 12, 2003 4:08 pm Post subject: Wrong kernel |
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I would suggest that you not use the gentoo sources, as they don't have support for the epia-m hardware. I would use one of these kernels in order:
1. ac-sources
2. development-sources
3. wolk-sources ?
I've never tried wolk, but have heard it contains stuff for via epia, but I could be wrong. I am currently using ac-sources. It supports the sound-card(oss) and has agp, dri, and fb support for the via cle266 chipset in the epia-m motherboard. (Oh and it has a C3-2, processor option for the nehemiah)
Good luck  |
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rinnan
Tux's lil' helper
Joined: 24 May 2003
Posts: 138
Location: Honolulu, Hawai`i
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| Posted: Sun Jul 13, 2003 4:29 am Post subject: how did that install go? |
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@JohnBurton
How did that install go? I'm thinking about installing ac-sources. Does ac-sources have all the low latency and other scheduler patches in it, does anyone know? I have a HushPC (which has a VIA Nehemiah M10000 on it) and am currently using gentoo-sources. |
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ozonator
Guru
Joined: 11 Jun 2003
Posts: 591
Location: Ontario, Canada
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| Posted: Fri Jan 09, 2004 9:09 pm Post subject: |
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I've been using ac-sources (2.4.22-ac4) with an M10000 board with great success so far, but the recent do_mremap() vulnerability has me looking for a newer kernel. Unfortunately, all the ac-sources ebuilds have disappeared from portage, and GLSA 200401-01 doesn't indicate any non-vulnerable version of ac-sources.
I haven't decided yet what to do. It doesn't seem that gentoo-sources, development-sources, or vanilla-sources includes the CLE266 xfree-drm module, as ac-sources did, and this thread doesn't offer much hope for the VIA binary drivers. Also, xfree-drm doesn't seem to have the right module yet, though the DRI wiki suggests things are moving along. Any suggestions regarding which sources to use? It looks like wolk-sources 4.10 may have CLE266 support (according to its changelog); are there any others?
Alternatively, is there somewhere that I might find appropriate patches? The usual source of the epia kernel patch isn't working right now. |
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Erik_
n00b
Joined: 10 Jan 2004
Posts: 10
Location: Geneva, Switzerland
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| Posted: Sun Jan 11, 2004 4:22 pm Post subject: |
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Going slightly of course, how do those epia motherboard hold up ? Care to give us the /proc/cpuinfo for that motherboard ?
Thanks. |
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ozonator
Guru
Joined: 11 Jun 2003
Posts: 591
Location: Ontario, Canada
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| Posted: Sun Jan 11, 2004 5:02 pm Post subject: |
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| Erik_ wrote: | Going slightly of course, how do those epia motherboard hold up ? Care to give us the /proc/cpuinfo for that motherboard ?
Thanks. |
| Code: | $ cat /proc/cpuinfo
processor : 0
vendor_id : CentaurHauls
cpu family : 6
model : 9
model name : VIA Nehemiah
stepping : 1
cpu MHz : 999.550
cache size : 64 KB
fdiv_bug : no
hlt_bug : no
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 1
wp : yes
flags : fpu de tsc msr mtrr pge cmov mmx fxsr sse
bogomips : 1992.29
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Full specs: http://www.viavpsd.com/product/epia_m_spec.jsp?motherboardId=81. The ones I have use the 1 GHz 'nehemiah' C3 CPU.
The board works beautifully, and it fits in a standard ATX case (including standard ATX power supply, and a plate for the ports at the back; depending on the case, the PCI slot may not line up with a case opening, however). I've got them in some old mid-tower cases that originally housed Pentium 200 MMX machines.
As for Linux support, all works well for me, using them as ordinary workstations (i.e., not as a multimedia box, but a machine for mail, web, etc.); they've been completely stable, and 'feel' just about as fast as my Duron 1200 (i.e. plenty fast for most uses). The most complete docs for getting Linux to run are likely those in the EPIA HOWTO, and there are some other threads in these forums that go into some detail (search for 'nehemiah' or 'm10000'). Frankly, they'd make ideal business/lab/home desktops for the average user, with the excellent side-effect of significantly reducing electricity usage compared with a system based around a typical 'mainstream' x86 CPU. |
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rinnan
Tux's lil' helper
Joined: 24 May 2003
Posts: 138
Location: Honolulu, Hawai`i
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| Posted: Sun Jan 11, 2004 7:44 pm Post subject: Patches for the 2.6 series kernel. |
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Fear not! There are DRM and V4L patches for Linux kernel 2.6. Read about them on this forum. This is viaarena.com, Linux section, which has tons of info on these boards and several regulars who are coders creating and sharing various patches Linux for them. You may have to dig around a bit but they are there. There are even ebuilds for some stuff!
Erik |
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ozonator
Guru
Joined: 11 Jun 2003
Posts: 591
Location: Ontario, Canada
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| Posted: Sun Jan 11, 2004 9:17 pm Post subject: Re: Patches for the 2.6 series kernel. |
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| rinnan wrote: | Fear not! There are DRM and V4L patches for Linux kernel 2.6. Read about them on this forum. This is viaarena.com, Linux section, which has tons of info on these boards and several regulars who are coders creating and sharing various patches Linux for them. You may have to dig around a bit but they are there. There are even ebuilds for some stuff!
Erik |
Many thanks! Don't know why I forgot about those viaarena forums, but looks like I've found exactly what I was looking for, in this thread and this thread. The long and short of it is that there are updated patches for 2.4.23 and 2.4.24, and even ebuilds for those and 2.6.1; the working, up-to-date mirror appears to be http://epia.kalf.org/. Time to give one of them a try...
Update: the 2.4.24-epia-r1 kernel is now running on the nehemiah board; I had no problems compiling, or in getting what I needed to work. |
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